Magnetic effect of a current

Definition

The production of a magnetic field around a conductor when an electric current flows through it.

Used by AQA

Specification 4.7.2.1 · Paper 2

Whenever a current flows through a conducting wire, it produces a magnetic field around the wire. This is called the magnetic effect of a current. A nearby plotting compass experiences a force and turns to line up with this field.
Revise: Electromagnetism

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GCSE Physics · key term

The production of a magnetic field around a conductor when an electric current flows through it.

Used by AQA

Specification 4.7.2.1 · Paper 2

Whenever a current flows through a conducting wire, it produces a magnetic field around the wire. This is called the magnetic effect of a current. A nearby plotting compass experiences a force and turns to line up with this field.
Revise: Electromagnetism

Create a free account to read GCSE Physics revision notes for your exam board and track your progress.